Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491027 | Method of driving a capacitive actuator of a fuel injection valve of an internal combustion engine | Hellmut Freudenberg, Hartmut Gerken, Martin Hecker, Christian Hoffmann | 2002-12-10 |
| 6472796 | Method and apparatus for controlling a capacitive actuator | Christian Hoffmann, Hellmut Freudenberg, Hartmut Gerken, Martin Hecker | 2002-10-29 |
| 6459244 | Method and device for charging a capacitive actuator | Christian Hoffmann, Wolfgang Lingl | 2002-10-01 |
| 6441535 | Method and apparatus for driving at least one capacitive control element | Hellmut Freudenberg, Hartmut Gerken, Martin Hecker, Christian Hoffmann, Gunther Riedel | 2002-08-27 |
| 6366868 | Method and configuration for diagnosis of a capacitive actuator | Hellmut Freudenberg, Hartmut Gerken, Martin Hecker, Christian Hoffmann, Walter Schrod | 2002-04-02 |
| 6349705 | Method of checking a capacitive actuator | Achim Przymusinski, Walter Schrod, Mark Elliott | 2002-02-26 |